/* Nutri Day by Day - Styles (RTL-first) */
:root{
  --primary:#0EA5E9;/* sky-500 */
  --accent:#10B981;/* emerald-500 */
  --dark:#0F172A;/* slate-900 */
  --muted:#64748B;/* slate-500 */
  --bg:#F8FAFC;/* slate-50 */
  --card:#ffffff;
  --radius:16px;
  --shadow:0 4px 16px rgba(2,6,23,.06);
  --container:1100px;
  --font-ar:"Cairo", system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial;
  --font-en:"Inter", system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial;
}

html{scroll-behavior:smooth;background:var(--bg);} 
body{margin:0;color:var(--dark);font-family:var(--font-ar);line-height:1.6;}
html.ltr body{font-family:var(--font-en);} 

/* Utilities */
.container{max-width:var(--container);margin-inline:auto;padding:0 1rem;}
.section{padding:4rem 0;}
.h1{font-size:clamp(1.8rem,3vw,2.6rem);line-height:1.2;margin:0 0 1rem;}
.h2{font-size:clamp(1.4rem,2.5vw,2rem);margin:0 0 1rem;}
.h3{font-size:clamp(1.1rem,2vw,1.4rem);margin:0 0 .5rem;}
.lead{font-size:1.05rem;color:var(--muted);}
.small{font-size:.85rem}
.muted{color:var(--muted);} 
.hidden{display:none !important;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid #e5e7eb;}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:64px;}
.brand{display:flex;align-items:center;gap:.5rem;color:var(--dark);text-decoration:none;font-weight:700}
.logo-text{white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:.5rem}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1rem;border-radius:999px;border:1px solid transparent;cursor:pointer;text-decoration:none;font-weight:600;transition:transform .05s ease, box-shadow .2s ease}
.btn:hover{transform:translateY(-1px)}
.btn:focus{outline:2px solid var(--primary);outline-offset:2px}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 14px rgba(14,165,233,.25)}
.btn-accent{background:var(--accent);color:#0b2c23;box-shadow:0 6px 14px rgba(16,185,129,.25)}
.btn-ghost{background:#fff;color:var(--dark);border-color:#e5e7eb}

/* Hero */
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:2rem;align-items:center}
.hero-media img{width:100%;height:auto;border-radius:var(--radius);box-shadow:var(--shadow);background:linear-gradient(120deg,#e0f2fe,#ecfeff)}
.cta-row{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1rem}

/* Cards and Grid */
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid #eef2f7}
.card-body{padding:1.25rem}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.link-card .icon{font-size:1.5rem;margin-bottom:.5rem}
.bullets{margin:.75rem 0 0;padding:0 1.25rem;color:var(--dark)}

/* Chips */
.appoints{margin:1rem 0 1.5rem}
.chip{display:inline-block;padding:.5rem .75rem;border-radius:999px;background:#eef6ff;border:1px solid #dbeafe;margin:.25rem}

/* Slider */
.slider{position:relative}
.slides{display:flex;overflow:hidden;scroll-behavior:smooth;padding:0;margin:0;list-style:none}
.slide{min-width:100%;padding:1rem;display:flex;flex-direction:column;align-items:flex-start;gap:.5rem}
.slide .avatar{border-radius:999px;background:#f1f5f9}
.slider-nav{position:absolute;top:50%;transform:translateY(-50%);background:#fff;border:1px solid #e5e7eb;border-radius:999px;width:36px;height:36px;display:grid;place-items:center;cursor:pointer}
.slider-nav.prev{inset-inline-start:.5rem}
.slider-nav.next{inset-inline-end:.5rem}

/* Forms */
.lead-form{display:grid;grid-template-columns:1fr auto;gap:.5rem;align-items:center;margin-top:1rem}
.lead-form input[type=email]{padding:.75rem 1rem;border-radius:999px;border:1px solid #e5e7eb}
.lead-form .consent{grid-column:1/-1;display:flex;align-items:center;gap:.5rem;color:var(--muted)}
.lead-form .hint{grid-column:1/-1;margin:.25rem 0 0}
.success{margin-top:1rem}
.countdown{margin-top:.5rem;font-weight:700}

/* Modals */
.modal[hidden]{display:none}
.modal{position:fixed;inset:0;background:rgba(2,6,23,.45);display:grid;place-items:center;padding:1rem;z-index:60}
.modal-dialog{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);width:min(640px, 96vw);padding:1.25rem;position:relative}
.modal-close{position:absolute;inset-inline-end:.75rem;top:.5rem;border:none;background:#fff;border:1px solid #e5e7eb;border-radius:999px;width:32px;height:32px;cursor:pointer}
.form label{display:grid;gap:.25rem;margin:.5rem 0}
.form input,.form select{padding:.6rem .75rem;border:1px solid #e5e7eb;border-radius:10px}

/* Toast */
.toast{position:fixed;inset-inline-end:1rem;bottom:1rem;background:#111827;color:#fff;padding:.75rem 1rem;border-radius:10px;box-shadow:var(--shadow);opacity:0;pointer-events:none;transform:translateY(10px);transition:opacity .25s ease, transform .25s ease;z-index:70}
.toast.show{opacity:1;transform:translateY(0)}

/* Footer */
.site-footer{border-top:1px solid #e5e7eb;background:#fff}
.footer-grid{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1rem 0;flex-wrap:wrap}
.foot-links{display:flex;gap:1rem;list-style:none;margin:0;padding:0}
.foot-links a{text-decoration:none;color:var(--dark)}

/* WhatsApp FAB */
.whatsapp-fab{position:fixed;right:1rem;bottom:1rem;background:#25D366;color:#fff;width:52px;height:52px;border-radius:50%;display:grid;place-items:center;box-shadow:0 10px 18px rgba(37,211,102,.35);text-decoration:none;font-size:1.25rem;z-index:80}
:dir(rtl) .whatsapp-fab{right:auto;left:1rem}

/* Direction-aware spacing */
:dir(rtl) .cta-row .btn{margin-left:0}
:dir(ltr) .cta-row .btn{margin-right:0}

/* Responsive */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;}
}
@media (max-width:768px){
  .grid-3{grid-template-columns:1fr;}
  .lead-form{grid-template-columns:1fr;}
}